13879685 has 8 divisors (see below), whose sum is σ = 16692000. Its totient is φ = 11079504.

The previous prime is 13879673. The next prime is 13879717. The reversal of 13879685 is 58697831.

It is a happy number.

13879685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13879685 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (2086500).

Almost surely, 2^13879685 is an apocalyptic number.

It is an amenable number.

13879685 is a deficient number, since it is larger than the sum of its proper divisors (2812315).

13879685 is an equidigital number, since it uses as much as digits as its factorization.

13879685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067.

The product of its digits is 362880, while the sum is 47.

The square root of 13879685 is about 3725.5449265846. The cubic root of 13879685 is about 240.3218194322.

The spelling of 13879685 in words is "thirteen million, eight hundred seventy-nine thousand, six hundred eighty-five".